I would just replace the shutter with an identical one.
An Alphax #3 should be a direct replacement. See http://www.suaudeau.eu/memo/pratique..._centraux.html.
Edit: On second thought and after a question from koh303 (thanks for asking) I'm probably mistaken. Sorry to have misled. I'm nowhere near as sure that an Alphax #3 is a direct replacement for a Betax #3 before I posted. ericantonio, on Monday ask skgrimes.com what they know.
Last edited by Dan Fromm; 22-Jul-2017 at 17:48.
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